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https://github.com/protomaps/PMTiles
Cloud-optimized + compressed single-file tile archives for vector and raster maps
https://github.com/protomaps/PMTiles
serverless
Last synced: about 1 month ago
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Cloud-optimized + compressed single-file tile archives for vector and raster maps
- Host: GitHub
- URL: https://github.com/protomaps/PMTiles
- Owner: protomaps
- License: bsd-3-clause
- Created: 2021-02-16T08:30:22.000Z (almost 4 years ago)
- Default Branch: main
- Last Pushed: 2024-10-22T21:18:36.000Z (about 2 months ago)
- Last Synced: 2024-10-29T11:28:34.409Z (about 1 month ago)
- Topics: serverless
- Language: TypeScript
- Homepage: https://protomaps.com/docs/pmtiles/
- Size: 20.1 MB
- Stars: 2,040
- Watchers: 22
- Forks: 118
- Open Issues: 12
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
- awesome-starred - protomaps/PMTiles - Cloud-optimized + compressed single-file tile archives for vector and raster maps (serverless)
README
[](https://www.npmjs.com/package/pmtiles)
[](https://pypi.org/project/pmtiles/)
🔎 **PMTiles Viewer:** [https://pmtiles.io/](https://pmtiles.io) 🔎
# PMTiles
PMTiles is a single-file archive format for tiled data. A PMTiles archive can be hosted on a commodity storage platform such as S3, and enables low-cost, zero-maintenance map applications that are "serverless" - free of a custom tile backend or third party provider.
* [Protomaps Blog: Dynamic Maps, Static Storage](http://protomaps.com/blog/dynamic-maps-static-storage)
* [PMTiles Viewer](https://pmtiles.io) - inspect and preview PMTiles local or remote PMTiles archives.
* Archives on cloud storage may require CORS for the origin `https://protomaps.github.io`
* [Vector Tiles Example (US Zip Codes)](https://pmtiles.io/?url=https%3A%2F%2Fr2-public.protomaps.com%2Fprotomaps-sample-datasets%2Fcb_2018_us_zcta510_500k.pmtiles)
Demos require MapLibre GL JS v1.15 or later.
See also:
* [Cloud Optimized GeoTIFFs](https://www.cogeo.org)
## Creating PMTiles
Download the `pmtiles` binary for your system at [go-pmtiles/Releases](https://github.com/protomaps/go-pmtiles/releases).
pmtiles convert INPUT.mbtiles OUTPUT.pmtiles
pmtiles upload OUTPUT.pmtiles s3://my-bucket?region=us-west-2 // requires AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY env vars to be set
## Consuming PMTiles
### JavaScript
See [js/README.md](js/README.md) and [js/examples](js/examples) for usage in Leaflet or MapLibre GL JS.
See [openlayers/README.md](openlayers/README.md) for usage in OpenLayers.
### Go
See the [go-pmtiles](https://github.com/protomaps/go-pmtiles) repository.
### Python
See https://github.com/protomaps/PMTiles/tree/main/python/bin for library usage
### Serverless
[PMTiles on AWS Lambda](https://github.com/protomaps/PMTiles/tree/main/serverless/aws)
[PMTiles on Cloudflare Workers](https://github.com/protomaps/PMTiles/tree/main/serverless/cloudflare)
## Specification
The current specification version is [Version 3](./spec/v3/spec.md).
## Recipes
Example of how to create a PMTiles archive from the [Census Bureau Zip Code Tabulation Areas Shapefile](https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html) using [tippecanoe](https://github.com/felt/tippecanoe):
```sh
# use GDAL/OGR to convert SHP to GeoJSON
ogr2ogr -t_srs EPSG:4326 cb_2018_us_zcta510_500k.json cb_2018_us_zcta510_500k.shp
# Creates a layer in the vector tiles named "zcta"
tippecanoe -zg --projection=EPSG:4326 -o cb_2018_us_zcta510_500k_nolimit.pmtiles -l zcta cb_2018_us_zcta510_500k.json
```
### Uploading to Storage
Using the [PMTiles command line tool](http://github.com/protomaps/go-pmtiles):
```sh
pmtiles upload LOCAL.pmtiles "s3://BUCKET_NAME?endpoint=https://example.com®ion=region" REMOTE.pmtiles
```
Using [RClone](https://rclone.org) (do `rclone config` first)
```sh
rclone copyto LOCAL.pmtiles r2:/BUCKET/REMOTE.pmtiles --progress --s3-chunk-size=256M --s3-upload-concurrency=2
```
## License
The reference implementations of PMTiles are published under the BSD 3-Clause License. The PMTiles specification itself is public domain, or under a CC0 license where applicable.